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Step-by-step explanation:
open app store and type photomath then click on install and boom you r the math king bro
Answer:
NO solution , the -17y at both sides will cancel ,so no variable left
Step-by-step explanation:
It can be done in 50388 ways
Step-by-step explanation:
When the selection has to be made without order, combinations are used.
The formula for combination is:

Here
Total books = n =19
Books to be chosen = r = 7
Putting the values

It can be done in 50388 ways
Keywords: Combination, selection
Learn more about combinations at:
#LearnwithBrainly
Answer:
x = -16
Step-by-step explanation:
When there are two lines that intersect at one point, the two angles that are directly opposite each other are equal. So in this case, (6x+175) = (3x + 127)
6x + 175 = 3x + 125
6x - 3x = 125 - 175
3x = -50
x = -50 ÷ 3
x = -16